The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be

• A. 0 kg, – ve sense
• B. 0 kg, + ve sense
• C. 0 kg, + ve sense
• D. 0 kg, – ve sense